Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12001083 | Rim frame and lens structure | — | 2024-06-04 |
| 5844730 | Light-supplying optical device | Toshiya Aikawa, Nobuhiro Fujinawa | 1998-12-01 |
| 5668656 | Light supplying optical device | Nobuhiro Fujinawa, Eisaku Maeda | 1997-09-16 |
| 5627689 | Light-supplying optical device | Nobuhiro Fujinawa, Toshiya Aikawa | 1997-05-06 |